47 lines
1.3 KiB
Ruby
47 lines
1.3 KiB
Ruby
module Redis::Config
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DEFAULT_SENTINEL_PORT ||= '26379'.freeze
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SIDEKIQ_SIZE ||= 25
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class << self
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def app
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config
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end
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def sidekiq
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app.merge(size: SIDEKIQ_SIZE)
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end
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def config
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@config ||= sentinel? ? sentinel_config : base_config
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end
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def base_config
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{
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url: ENV.fetch('REDIS_URL', 'redis://127.0.0.1:6379'),
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password: ENV.fetch('REDIS_PASSWORD', nil).presence,
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reconnect_attempts: 2,
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network_timeout: 5
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}
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end
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def sentinel?
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ENV.fetch('REDIS_SENTINELS', nil).presence
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end
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def sentinel_config
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redis_sentinels = ENV.fetch('REDIS_SENTINELS', nil)
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# expected format for REDIS_SENTINELS url string is host1:port1, host2:port2
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sentinels = redis_sentinels.split(',').map do |sentinel_url|
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host, port = sentinel_url.split(':').map(&:strip)
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{ host: host, port: port.presence || DEFAULT_SENTINEL_PORT, password: base_config[:password] }
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end
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# over-write redis url as redis://:<your-redis-password>@<master-name>/ when using sentinel
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# more at https://github.com/redis/redis-rb/issues/531#issuecomment-263501322
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master = "redis://#{ENV.fetch('REDIS_SENTINEL_MASTER_NAME', 'mymaster')}"
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base_config.merge({ url: master, sentinels: sentinels })
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end
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end
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end
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